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(2020 WS2)
Classification: Apollo [NEO]          SPK-ID: 54092466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459175.5 (2020-Nov-22.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6609420892906255 0.0011857  
a 2.80912703747722 0.0097185 au
q .9524567442442409 3.5761e-05 au
i 4.496545201690457 0.005456 deg
node 89.11541152087413 0.0073041 deg
peri 11.58312576747672 0.0039403 deg
M 353.1183505397505 0.037066 deg
tp 2459208.373469501310
(2020-Dec-24.87346950)
0.0064687 TDB
period 1719.711108336869
4.71
8.9243
0.02443
d
yr
n .2093374859619042 0.0010863 deg/d
Q 4.665797330710198 0.016142 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      16 days  
   first obs. used      2020-11-20  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .45837  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:18:37  

Additional Information
 Earth MOID = .0139606 au 
 Jupiter MOID = .54257 au 
 T_jup = 2.952 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.6   .39178 E2021-CC3 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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